Pollution in Beijing steadily declining, air quality improving says Greenpeace: New Delhi Times

“In good news for pollution-riddled China, a report by Greenpeace shows that
Beijing and the surrounding region reported big improvements in air quality last year, nationwide gains were much more muted as industrial activity shifted further away from the capital.
Strict restrictions on coal use and industrial activity led to a dramatic improvement in air quality in Beijing and across northern China, helped also by favourable weather conditions.”
New Delhi Times
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